Home / 80,045,763.87-120,067,380.99-25,457,562.26

Finding the Fourth Proportional to 80,045,763.87, 120,067,380.99 and 25,457,562.26

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Solution

The fourth proportional to 80,045,763.87, 120,067,380.99 and 25,457,562.26 is: 38,185,941.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,045,763.87 : 120,067,380.99 = 25,457,562.26 : x
  2. Step 2: Convert to fraction form
    80,045,763.87/120,067,380.99 = 25,457,562.26/x
  3. Step 3: Cross multiply
    80,045,763.87x = 120,067,380.99 × 25,457,562.26
  4. Step 4: Simplify right side
    80,045,763.87x = 3,056,622,826,347,728.50
  5. Step 5: Solve for x
    x = 3,056,622,826,347,728.50/80,045,763.87
  6. Step 6: Final answer
    x = 38,185,941.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.